Trairasika—The Rule of Three
Last updated at January 15, 2026 by Teachoo
Transcript
Activity 1 Take your favourite dish. Find out all the ingredients and their respective quantities needed to make the dish for your family. Suppose you are celebrating a festival and you want to invite 15 guests. Find out the quantities of the ingredients required to cook the same dish for them.Let's say your favorite dish is Kheer (Rice Pudding). And, our family is 5 people Ingredients needed for 4 people: Milk: 1 Liter (1000 mL) Rice: 100 grams Sugar: 50 grams Since we want to invite 15 guests. Including your family of 5, Total number of people to feed is 15 + 5 = 20 people To find quantity for 20 people, we first need to find the quantity for 1 person first then multiply by 20 Milk: For 5 people, we use =1000" " mL (1 Liter) For 1 person =1000/5=𝟐𝟎𝟎" " 𝐦𝐋 For 20 people =200" " mL × 20=𝟒,𝟎𝟎𝟎" " 𝐦𝐋 (or 4 Liters) Rice: For 5 people =100" " g For 1 person =100/5=𝟐𝟎" " 𝐠 For 20 people =20" " g × 20=𝟒𝟎𝟎𝐠 Sugar: For 5 people =50" " g For 1 person =50/5=𝟏𝟎" " 𝐠 For 20 people =10" " g × 20=𝟐𝟎𝟎" " 𝐠